Full Stack Software Developer (.NET & React)

Posted 3 Days Ago
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Toronto, ON, CAN
In-Office
Mid level
Agency • Information Technology • Professional Services
The Role
Design, implement, and maintain backend services and web applications on a Microsoft stack; build front-end features with React; write well-tested, secure code; collaborate with product and design; participate in code reviews and improve CI/CD/DevSecOps pipelines.
Summary Generated by Built In
About the role

You’ll join a small, high-impact engineering group building modern SaaS products used by thousands of business users every day. You’ll ship features end‑to‑end, from shaping ideas with product to getting reliable, secure code into production and seeing the impact.indeed+1

You’ll work in an Agile environment where releases are frequent, feedback is quick, and good engineering practices actually matter. Expect real ownership, the freedom to make technical decisions, and a team that cares about clean architecture over quick hacks.reddit

What you’ll be doing
  • Partnering with product and design to turn business problems into simple, robust technical solutions.

  • Designing and implementing backend services and web applications on a modern Microsoft stack (C#, .NET, ASP.NET MVC, Azure, SQL Server).

  • Writing clear, well-structured, well-tested code with attention to performance, security, and maintainability.

  • Contributing to front-end features using React and modern JavaScript, keeping UI fast, accessible, and consistent across browsers.business.linkedin+1

  • Participating in code reviews, improving patterns and best practices, and keeping technical documentation useful instead of dusty.

  • Helping us evolve our DevSecOps and CI/CD workflows so shipping is safe, repeatable, and boring in the best possible way.hiring.monster

Tech environment you’ll enjoy
  • C#, .NET (Core/Framework), ASP.NET MVC

  • React, JavaScript, CSS, HTML, Bootstrap

  • SQL Server, Windows Server, IIS

  • Azure-based cloud services

  • Git / GitHub and modern CI/CD pipelines

If you like working across the stack and care about architecture (N‑tier, services, REST APIs, microservices, OOP), you’ll feel right at home here.indeed+1



RequirementsWhat makes you a great fit
  • 3+ years building and shipping production software in a team setting.

  • Strong grasp of object-oriented design and web application architecture.

  • Comfortable collaborating with product owners and business stakeholders, not just other engineers.

  • Organized, able to juggle multiple initiatives without dropping quality.

  • Post-secondary education in Computer Science or a related field, or equivalent real-world experience.



BenefitsWhy Developers like working here
  • Competitive salary plus annual bonus tied to team and company results.

  • Hybrid setup: typically 2–3 days a week in our downtown Toronto office, the rest from home.

  • A genuine focus on sustainable pace and work-life balance (we want you to have a life outside of code).

  • 25 vacation days, 4 wellness days, and all public holidays.

  • Comprehensive health and benefits coverage.

  • Employer contributions to RRSPs to support your long-term plans.

  • Annual budget for conferences, courses, and certifications so you can keep growing.

  • Bright, modern office a short walk from Union Station, making the commute painless.



Skills Required

  • 3+ years building and shipping production software in a team setting
  • Strong grasp of object-oriented design and web application architecture
  • Experience with C#, .NET (Core/Framework), and ASP.NET MVC
  • Experience building front-end features with React and modern JavaScript
  • Experience with SQL Server, Azure-based cloud services, Windows Server, and IIS
  • Familiarity with Git/GitHub and modern CI/CD pipelines
  • Comfort collaborating with product owners and business stakeholders
  • Post-secondary education in Computer Science or related field, or equivalent experience
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The Company
3 Employees
Year Founded: 2008

What We Do

Calliere is a boutique professional and executive recruitment and advisory firm that helps organizations build high-performance teams. It specializes in sourcing leadership, engineering, data science and AI, healthcare technology, infrastructure, telecom, sales, and business-development talent. The firm serves clients across technology, fintech, healthcare, life sciences, infrastructure, and other sectors through a personalized, thorough, results-driven approach tailored to each client's specific hiring and organizational needs.

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